View Compilation Error

0_0_33321890_4720.cpp: In function 'int main()':
0_0_33321890_4720.cpp:22:22: error: invalid types '<unresolved overloaded function type>[int]' for array subscript
             if(find[x]!=find[y])
                      ^
0_0_33321890_4720.cpp:22:31: error: invalid types '<unresolved overloaded function type>[int]' for array subscript
             if(find[x]!=find[y])
                               ^
0_0_33321890_4720.cpp:23:25: error: invalid types '<unresolved overloaded function type>[int]' for array subscript
                 f[find[y]]=find[x];
                         ^
0_0_33321890_4720.cpp:23:34: error: invalid types '<unresolved overloaded function type>[int]' for array subscript
                 f[find[y]]=find[x];
                                  ^